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Home > CCA > Chapter A > Lesson A.1.4 > Problem A-46


Positive algebra tiles are arranged as follows: Row 1:  2, vertical, x tiles and 1, x squared tile, are aligned at the top. Rows 2 and 3 each have 2 unit tiles aligned on the left.Write an expression that represents the perimeter of the shape built with algebra tiles at right.  

The same arrangement of algebra tiles with the following labels on the edges of each tile, Starting on the top left, and going clockwise as follows: 1, 1, x, x, x, 1, 1, 1, 1, 1, 1, x.